Fasset

Senior Backend Engineer, Java, Spring Boot

Fasset

full-time

Posted on:

Location Type: Hybrid

Location: Islamabad • Pakistan

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Job Level

Senior

Tech Stack

AWSCloudJavaKafkaMicroservicesNoSQLRabbitMQSpringSpring BootSpringBoot

About the role

  • Design, develop, and maintain high-performance backend services using Java and Spring Boot.
  • Build and evolve microservices and event-driven architectures.
  • Design and implement API-first services, including REST APIs and WebSockets.
  • Implement authentication and authorization mechanisms, including JWT-based security.
  • Integrate identity, access control, and role-based authorization into backend services.
  • Work with messaging platforms like Kafka or RabbitMQ.
  • Ensure systems meet security, scalability, and reliability requirements.
  • Participate in code reviews and mentor engineers.

Requirements

  • Strong hands-on experience with Java and Spring Boot in production systems.
  • Solid understanding of microservices architecture and event-driven systems.
  • Hands-on experience with JWT and token-based authentication.
  • Strong understanding of authentication and authorization patterns, including OAuth2 concepts.
  • Experience with REST APIs and WebSockets.
  • Strong experience with relational and NoSQL databases.
  • Good understanding of secure coding practices and application security.
  • Familiarity with CI/CD pipelines, containers, and cloud platforms (preferably AWS).
Benefits
  • Security and compliance focus
  • Opportunity to work with high-scale financial platforms
  • Collaborative work environment with architects, product, and DevOps teams
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
JavaSpring Bootmicroservicesevent-driven architectureREST APIsWebSocketsJWTOAuth2relational databasesNoSQL databases
Soft Skills
mentoringcode reviews